Home / 30,526.35-42,125.12-17,097.39

Finding the Fourth Proportional to 30,526.35, 42,125.12 and 17,097.39

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Solution

The fourth proportional to 30,526.35, 42,125.12 and 17,097.39 is: 23,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,526.35 : 42,125.12 = 17,097.39 : x
  2. Step 2: Convert to fraction form
    30,526.35/42,125.12 = 17,097.39/x
  3. Step 3: Cross multiply
    30,526.35x = 42,125.12 × 17,097.39
  4. Step 4: Simplify right side
    30,526.35x = 720,229,519.95
  5. Step 5: Solve for x
    x = 720,229,519.95/30,526.35
  6. Step 6: Final answer
    x = 23,593.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.